{"coeffs": [-2.4848504947087214e-07, -8.275646945193588e-09, -0.29192387106022405, 0.028431465358345502], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.0679791603640234e-08, 2.2327495941502893e-08, 0.03254821428062796, 0.028183341629492976], "covariance": [[1.6548454449155987e-15, -5.697201605049199e-17, 5.660445919621733e-10, -4.699134027694257e-10], [-5.697201605049196e-17, 4.985170750178283e-16, 1.5713506868571025e-10, 1.5327807860471295e-10], [5.660445919621732e-10, 1.5713506868571017e-10, 0.0010593862528576739, -0.00010999330070248108], [-4.699134027694257e-10, 1.5327807860471295e-10, -0.00010999330070248102, 0.0007943007454047118]]}